GPM Rainfall Rates in Merbok (IMAGE) NASA/Goddard Space Flight Center Caption On June 12, GPM measured rain falling at a rate of over 57 millimeters (2.2 inches) per hour in one of Merbok's rain bands that was moving over southern China. Credit Credits: NASA/JAXA, Hal Pierce Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.